JTVON Gemstone Guide

Fire Opal: The Volcanic Flame of the Opal World When most people think of opal, they imagine stones filled with shifting rainbow flashes. Fire opal is different. Instead of relying on play-of-color, f … read more

Tourmaline: The Electric Gem of Endless Color October doesn’t belong only to opal. Its alternate birthstone, tourmaline, is one of the most colorful and scientifically unusual gemstones in the m … read more

Opal: The Gemstone of Moving Fire October’s birthstone is often described simply as colorful or delicate. But opal is unlike any other gemstone used in jewelry. Instead of forming as a solid cry … read more